4y-9+y+20=6y+20-4y

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Solution for 4y-9+y+20=6y+20-4y equation: 


Simplifying
4y + -9 + y + 20 = 6y + 20 + -4y

Reorder the terms:
-9 + 20 + 4y + y = 6y + 20 + -4y

Combine like terms: -9 + 20 = 11
11 + 4y + y = 6y + 20 + -4y

Combine like terms: 4y + y = 5y
11 + 5y = 6y + 20 + -4y

Reorder the terms:
11 + 5y = 20 + 6y + -4y

Combine like terms: 6y + -4y = 2y
11 + 5y = 20 + 2y

Solving
11 + 5y = 20 + 2y

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-2y' to each side of the equation.
11 + 5y + -2y = 20 + 2y + -2y

Combine like terms: 5y + -2y = 3y
11 + 3y = 20 + 2y + -2y

Combine like terms: 2y + -2y = 0
11 + 3y = 20 + 0
11 + 3y = 20

Add '-11' to each side of the equation.
11 + -11 + 3y = 20 + -11

Combine like terms: 11 + -11 = 0
0 + 3y = 20 + -11
3y = 20 + -11

Combine like terms: 20 + -11 = 9
3y = 9

Divide each side by '3'.
y = 3

Simplifying
y = 3

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